Finding the Fourth Proportional to 23,255.64, 32,092.71 and 12,645.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,255.64 : 32,092.71 = 12,645.30 : x
2. Step 2: Convert to fraction form
   23,255.64/32,092.71 = 12,645.30/x
3. Step 3: Cross multiply
   23,255.64x = 32,092.71 × 12,645.30
4. Step 4: Simplify right side
   23,255.64x = 405,821,945.76
5. Step 5: Solve for x
   x = 405,821,945.76/23,255.64
6. Step 6: Final answer
   x = 17,450.47